Brand new vented quarter turn gas cap made proudly in the U.S.A. by the Kelch corporation. This new Kelch quarter turn gas cap is 12 1/2″ long. These gas caps are measured from the gasket surface to the ends of the float rods. This is not a threaded gas cap. These gas caps fit the metal fuel tanks that are at least 12 3/4″ deep. The caps fit a filler neck that is 2 1/4″ in outside diameter. Any questions, email us or call the shop at 517 787 0477.